Thirty-four Australian monuments and landmarks including the Melbourne Star, Sydney’s Darling Quarter and Adelaide Oval joined Light Up For Mito. Internationally Canada’s Niagara Falls, the Colosseum in Rome and Barcelona’s Sagrada Familia were also scheduled to turn green.

The Australian Mitochondrial Disease Foundation said the disease had few treatments and no cure.

“At least 30 Australian children born every week are at risk of developing some form of mitochondrial disease,” the foundation said.